<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<style type="text/css">
#p1{color:gray;}
#p2{color:orange;}
#p3{color:red;}
</style>
</head>
<body>
<p id="p1">字体颜色为灰色</p>
<p id="p2">字体颜色为橙色</p>
<p id="p3">字体颜色为红色</p></body>
</html>